package org.gry.dy20180710;

/**
 * 
 * @author gry
 *
 */
public class TestVariable {

	int t;// 成员变量，有默认值
	// int 0 ,double 0.0 ,char ‘\u0000’ ,boolean false
	static int y;
	public static void main(String[] arge) {
		int age = 18;
		int b;
		b = 12;
		int asd; // 局部变量是用必须被初始化
		asd = 5;
		System.out.println(asd);
	}
}
